// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
#pragma once

#include <pollux/vector/vector_fuzzer.h>

namespace kumo::pollux::plan {
    class InputGenerator {
    public:
        virtual ~InputGenerator() = default;

        /// Generates function inputs of the specified types. May return an empty list
        /// to let Fuzzer use randomly-generated inputs.
        virtual std::vector<VectorPtr> generate(
            const std::vector<TypePtr> &types,
            VectorFuzzer &fuzzer,
            FuzzerGenerator &rng,
            memory::MemoryPool *pool) = 0;

        /// Called after generating all inputs for a given fuzzer iteration.
        virtual void reset() = 0;
    };
} // namespace kumo::pollux::plan
